Oulu Climate: Weather by Month and Best Time to Visit
Best months for Oulu: July, June, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -6°C | -12°C | 35 mm | 9 | – | – | 3.9 |
| February | -6°C | -12°C | 29 mm | 8 | – | – | 4.0 |
| March | -1°C | -9°C | 30 mm | 8 | – | – | 4.0 |
| April | 5°C | -3°C | 30 mm | 7 | – | – | 5.1 |
| May | 12°C | 3°C | 48 mm | 10 | – | – | 6.1 |
| June | 17°C | 8°C | 56 mm | 10 | – | – | 7.0 |
| July | 20°C | 11°C | 78 mm | 13 | – | – | 7.2 |
| August | 18°C | 10°C | 71 mm | 12 | – | – | 6.9 |
| September | 13°C | 5°C | 56 mm | 11 | – | – | 6.2 |
| October | 5°C | 0°C | 50 mm | 10 | – | – | 4.9 |
| November | 0°C | -4°C | 48 mm | 11 | – | – | 3.7 |
| December | -3°C | -8°C | 43 mm | 11 | – | – | 3.7 |